.title {
  background: rgb(121, 242, 157);
}
.b1 {
  width: 900px;
  margin: 0 auto;
  background: green;
}
* {
  margin: 0;
  padding: 0;
}

.box {
  width: 400px;
  height: 380px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

[type='button'] {
  width: 200px;
  height: 50px;
  font-size: 20px;
  outline: none;
  border: 2px solid #000;
  border-radius: 20px;
  box-shadow: 10px 10px 5px #888888;
  cursor: pointer;
  margin-top: 100px;
}

[type='text'] {
  font-size: 50px;
  width: 600px;
  padding: 20px 0;
  border: 2px solid #000;
  border-radius: 20px;
  box-shadow: 10px 10px 5px #888888;
  outline: none;
  text-align: center;
}

ul {
  list-style: none;
  font-size: 50px;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  margin: 0 100px;
}

li {
  border: 2px solid #000;
  border-radius: 20px;
  box-shadow: 10px 10px 5px #888888;
  margin: 10px;
  padding: 2px 5px;
}
